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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 14 March 2026

Tonight and Sunday.

Wind northwest 20 knots diminishing to southeast 10 near midnight then increasing to east 15 early Sunday morning. Wind increasing to east 25 near noon Sunday then veering to southeast 25 Sunday evening.

Scattered flurries Sunday. Visibility as low as 1 mile in flurries.

Waves

Issued 06:30 PM EDT 14 March 2026
Tonight and Sunday. Over open water waves 2 to 3 metres subsiding to 1 this evening and to 0.5 or less late overnight. Waves building to 1 Sunday morning and to 2 Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 14 March 2026
Monday Wind south 30 knots increasing to southwest 35 late in the day.
Tuesday Wind southwest 35 knots diminishing to northwest 25 late in the day.
Wednesday Wind northwest 20 knots backing to southwest 15.

Ice Forecast*

Issued 12:00 PM EDT 14 March 2026 Today Tonight and Sunday Open water except 2 tenths thick lake ice in the extreme northeastern section. Consolidated rotten thick lake ice along parts of the shore and in the Bay of Quinte.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 14 March 2026 Today Tonight and Sunday

Ice Coverage

Open water except 2 tenths thick lake ice in the extreme
northeastern section. Consolidated rotten thick lake ice along parts
of the shore and in the Bay of Quinte.

Warnings

Warnings (Ended)

Gale warning ended

Eastern Lake Ontario

Issued 6:30 PM EDT 14 March 2026
Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 14 March 2026 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Lake Huron.
By 6:30 p.m. EDT Sunday ridge located over New Brunswick.

At 6:30 p.m. EDT tonight low 992 mb located over Colorado.
By 6:30 p.m. EDT Sunday low 990 mb located over southern Lake
Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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